THE CHIRONOMID^. 179 



C. prasifiafus, Staeg. 

 Green ; thorax with three black stripes. Legs pale and testaceous ; 

 antennae brown in S ; head black ; halteres white ; wings having 

 upper veins testaceous, rest white. Length, i to li lin. 



C. tentans^ F. = C. veriialis, Mg. 

 Green ; the thorax having three black stripes ; the abdomen 

 wreen with black bands, which often reach the posterior borders of 

 the segments, only a small spot of green being seen on each side. 

 Legs pale green, tips of tibiae and tarsi black. Wings with testaceous 

 upper veins and black discal transverse veinlet. Antenna brown in 

 $ ; testaceous- in ? , occasionally black at the tip. A large species, 

 often reaching 4 lin. in length. 



C. dorsa/is, Mg. 



A pale green species. Thorax with three luteous stripes ; meta- 

 thorax brown. Abdomen with brown bands, green on the hind 

 borders of the segments. Legs slender, pale green, tips of tibi?e, 

 tarsi and femora dark. Wings have the veins near the costa. 

 testaceous, also the discal transverse veinlet. Length, 3^ to 4 lin. 



C. rufipes, L. = CpuJc/ier, Zett., bifasciatus^ Mg. 



Black and shiny, more heavily built than most Chironomi. 

 Abdomen hairy, with a reddish band on each segment. Wings with 

 a broad brown band a little before the centre. The costal, first and 

 second longitudinal veins testaceous, remainder white. Legs stout, 

 hairy, testaceous ; tips of joints dark. Length, 3 to 3^ lin. 



C. chloris, Mg. 



Dark greenish-black ; head black, thorax with three black stripes, 

 breast hoary ; abdomen olive green, darker towards the anterior 

 borders. Legs testaceous, joints with black tips. Length, 2 

 to 2^- lin. 



C. dispar, Mg. = C. lucidus, Zett. 



Shining black ; abdomen brownish, with very shiny hairs and 

 sometimes a reddish-yellow marking at the side ; anal segment smaller 

 and shorter than the preceding ; head black. Legs testaceous, 

 long and slender, femora brown, also tips of tibiae and tarsi. 

 Antennse brown in $ ^ yellow in ? . Length, 3 lin. 



C. pedelliis^ Drg. = Tipula littoralis, L., T. cantaus, F. 

 Shining black; abdomen bright green, black at the tip and 



